GMC Vandura P3500 (1985-1997) Warning system circuits, commercial chassis

BLK WIRE DASH LAMPS GROUND POWER (BATTERY) SEAT BELT INPUT FASTEN BELTS LAMP GAS DIESEL GAUGES FUSE GRY WIRE HORN- DM FUSE HOT AT ALL TIMES HOT IN PARK OR HEAD HOT IN RUN OR START I/P FUSE BLOCK INSTRUMENT CLUSTER INSTRUMENT LPS FUSE ORG/ WIRE PNK POWER (IGNITION) WIRE PNK WIRE SEAT BELT LAMP OUTPUT SEAT BELT/LAMPS ALARM (I/P FUSE BLOCK) YEL WIRE